u-boot/tools/env/fw_env_main.c
wdenk 3bac351370 * Patch by Josef Wagner, 12 Mar 2003:
- 16/32 MB and 50/80 MHz support with auto-detection for IP860
  - ETH05 and BEDBUG support for CU824
  - added support for MicroSys CPC45
  - new BOOTROM/FLASH0 and DOC base for PM826

* Patch by Robert Schwebel, 12 Mar 2003:
  Fix the chpart command on innokom board

* Name cleanup:
  mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
  s/PPCBoot/U-Boot/ in some files
  s/pImage/uImage/  in some files

* Patch by Detlev Zundel, 15 Jan 2003:
  Fix '' command line quoting

* Patch by The LEOX team, 19 Jan 2003:
  - add support for the ELPT860 board
  - add support for Dallas ds164x RTC
2003-03-12 10:41:04 +00:00

78 lines
2.1 KiB
C

/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* Command line user interface to firmware (=U-Boot) environment.
*
* Implements:
* fw_printenv [ name ... ]
* - prints the values of the environment variables
* "name", or the whole environment if no names are
* specified
* fw_setenv name [ value ... ]
* - If a name without any values is given, the variable
* with this name is deleted from the environment;
* otherwise, all "value" arguments are concatenated,
* separated by sinlge blank characters, and the
* resulting string is assigned to the environment
* variable "name"
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "fw_env.h"
#define CMD_PRINTENV "fw_printenv"
#define CMD_SETENV "fw_setenv"
int
main(int argc, char *argv[])
{
char *p;
char *cmdname = *argv;
if ((p = strrchr (cmdname, '/')) != NULL) {
cmdname = p + 1;
}
if (strcmp(cmdname, CMD_PRINTENV) == 0) {
fw_printenv (argc, argv);
return (EXIT_SUCCESS);
} else if (strcmp(cmdname, CMD_SETENV) == 0) {
if (fw_setenv (argc, argv) != 0)
return (EXIT_FAILURE);
return (EXIT_SUCCESS);
}
fprintf (stderr,
"Identity crisis - may be called as `" CMD_PRINTENV
"' or as `" CMD_SETENV "' but not as `%s'\n",
cmdname);
return (EXIT_FAILURE);
}